package com.sptpc.demo.service.impl;

import com.sptpc.demo.model.Drink;
import com.sptpc.demo.model.Order;
import com.sptpc.demo.repository.DrinkRepository;
import com.sptpc.demo.repository.OrderRepository;
import com.sptpc.demo.service.IOrderService;
import org.joda.money.CurrencyUnit;
import org.joda.money.Money;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Example;

import java.math.BigDecimal;
import java.util.List;

public class OrderJpaService implements IOrderService {
    @Autowired
    private DrinkRepository drinkRepository;
    @Autowired
    private OrderRepository orderRepository;

    @Override
    public void addOrder(Order order, List<Integer> items) {
        order.setState(0);
        List<Drink> drinks = drinkRepository.findAllById(items);
        order.setItems(drinks);
        BigDecimal price = drinks.stream().map(drink -> drink.getPrice().getAmount())
                .reduce(BigDecimal.ZERO,(p1,p2) -> p1.add(p2));
        order.setPrice(Money.of(CurrencyUnit.of("CNY"),price));
        orderRepository.save(order);
    }

    @Override
    public List<Order> getOrderByCustomer(String customer) {
        Order order = new Order();
        order.setCustomer(customer);
        order.setState(1);
        Example<Order> example = Example.of(order);
        return orderRepository.findAll(example);
    }
}
